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#include "lib.h"
#define SD(A,B) !str_diffn(A, B, sizeof(A))
#define SC(A,B) str_copynz(A, B, sizeof(A))
#if 0
/*EXTRACT_START*/
SC(u.ut_line, line);
if (u.ut_id[0]==0) SC(u.ut_id, p);
if (login) {
u.ut_type=LOGIN_PROCESS;
u.ut_pid=getpid();
p="LOGIN";
} else {
if (u.ut_type == DEAD_PROCESS) do_wtmp =0;
u.ut_type=DEAD_PROCESS;
p="";
}
SC(u.ut_user,p);
SC(u.ut_host,"");
u.ut_tv.tv_sec = time(0);
/*EXTRACT_END*/
#endif
#ifdef USE_LIBC_UTMP
void utmp_do(int login, char *line) {
struct utmp_type u, *ut;
char foundone=0, do_wtmp=1;
char *p;
p=line;
while (str_len(p) > sizeof u.ut_id) p++;
str_copynz((char *)&u,"",sizeof(u));
f_setutent();
while (f_getutent())
if ((INIT_PROCESS <= ut->ut_type &&
ut->ut_type <= DEAD_PROCESS &&
SD(ut->ut_id, p)) || SD(ut->ut_line, line))
{ u = *ut; foundone=1; break; }
#include "utmp_defs.h"
if (foundone || login) {
f_setutent(); /* comment this ? */
f_pututline(&u);
}
f_endutent();
if (do_wtmp)
f_updwtmp(Wtmp_File, &u);
}
#else
#include <unistd.h>
#include <fcntl.h>
/* line tty5 */
void utmp_do(int login, char *line) /*EXTRACT_INCL*/{
struct utmp_type u;
char foundone=0, do_wtmp=1;
int fd=open(Utmp_File, O_RDWR);
off_t pos=0;
char *p;
p=line;
while (str_len(p) > sizeof u.ut_id) p++;
while (utmp_io(fd, &u, F_RDLCK)) {
if ((INIT_PROCESS <= u.ut_type &&
u.ut_type <= DEAD_PROCESS &&
SD(u.ut_id, p)) || SD(u.ut_line, line)) { foundone=1; break; }
pos += UTMP_SIZE;
}
if (!foundone) {
str_copynz((char *)&u,"",sizeof(u));
pos = lseek(fd,0,SEEK_END);
if (pos<0) pos =0;
pos = pos - (pos % (UTMP_SIZE));
}
#include "utmp_defs.h"
if (foundone || login)
if (lseek(fd,pos,SEEK_SET) == pos)
utmp_io(fd,&u,F_WRLCK);
close(fd);
if (do_wtmp) {
fd=open(Wtmp_File, O_WRONLY|O_APPEND);
write(fd, &u, UTMP_SIZE);
close(fd);
}
}
#endif
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